Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The commencement of May notes an average high-temperature of an enjoyable 61.3°F (16.3°C), exhibiting little difference from the previous month. During May, Fortuna records an average temperature of 46.2°F (7.9°C) at night.Humidity
In Fortuna, the average relative humidity in May is 80%.Rainfall
In May, in Fortuna, the rain falls for 8.2 days. Throughout May, 1.65" (42mm) of precipitation is accumulated. In Fortuna, during the entire year, the rain falls for 110.4 days and collects up to 28.07" (713mm) of precipitation.Snowfall
In Fortuna, snow does not fall in January, March through December.Daylight
The average length of the day in May in Fortuna is 14h and 28min.On the first day of May in Fortuna, sunrise is at 6:14 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:40 pm PDT.
Sunshine
The average sunshine in May is 10h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 4 in May translates into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What are May temperatures in Fortuna?
What is the average humidity in May in Fortuna?
How many days does it rain in May in Fortuna?
When it does not snow in Fortuna?
What is the average length of the day in May in Fortuna?
When are sunrise and sunset in May in Fortuna?
How long on average sun shines in May in Fortuna?
What is the UV index intensity in May in Fortuna?
Average temperature in May
Fortuna, CA
- Average high temperature in May: 61.3°F
The warmest month (with the highest average high temperature) is August (71.6°F).
The months with the lowest average high temperature are February and December (53.1°F).
- Average low temperature in May: 46.2°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is February (41.7°F).
Average pressure in May
Fortuna, CA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in May
Fortuna, CA
- Average wind speed in May: 7.7mph
The windiest months (with the highest average wind speed) are March and June (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in May
Fortuna, CA
- Average humidity in May: 80%
The months with the highest relative humidity are February and March (82%).
The months with the lowest relative humidity are September and October (75%).
Average rainfall in May
Fortuna, CA
- Average rainfall in May: 1.65"
The wettest month (with the highest rainfall) is December (5.16").
The driest months (with the least rainfall) are July and August (0.12").
Average rainfall days in May
Fortuna, CA
- Average rainfall days in May: 8.2 days
The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in May
Fortuna, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Fortuna, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Fortuna, CA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 10h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in May
Fortuna, CA
- Average sunshine days in May: 21.6 days
The month with the most sunshine days is July (28.1 days).
The month with the least sunshine days is March (12.3 days).
Average UV index in May
Fortuna, CA
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in May
Fortuna, CA
- Average cloud cover in May: 35
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in May
Fortuna, CA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Fortuna, California, USA
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